(19)

(11)

EP 1 446 741 A2

(12)

(88) Date of publication A3: 17.06.2004 (43) Date of publication: 18.08.2004 Bulletin 2004/34 (21) Application number: 02749247.9 (22) Date of filing: 12.07.2002

(51) International Patent Classification (IPC)7: G06F 17/60 (86) International application number: PCT/IB2002/003073 (87) International publication number: WO 2003/019438 (06.03.2003 Gazette 2003/10)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR (30) Priority: 28.08.2001 EP 01203246 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: BRUEKERS, Alphons, A., M., L. NL-5656 AA Eindhoven (NL) STARING, Antonius, A., M. NL-5656 AA Eindhoven (NL) (74) Representative: Groenendaal, Antonius Wilhelmus Maria  PhilipsIntellectual Property & StandardsP.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)